HEIDENHAIN MANUALplus 620 55
2.2 Units—Roughing
"Bidirectional roughing in ICP" unit
The unit machines the contour described in the FINISHED program
section from "NS to NE" parallel to the contour and bidirectionally. Any
auxiliary contour defined in FK will be used.
Unit name: G835_ICP / Cycle: G835 (see page 253)
Access to the technology database:
Machining operation: Roughing
Affected parameters: F, S, E, P
Contour form
J Workpiece blank oversize (radius value)—active only if no
blank has been defined.
B Contour calculation
0: Automatic
1: Tool to the left (G41)
2: Tool to the right (G42)
Further parameters of the contour form: see page 48.
Cycle form
P Maximum infeed
I, K Oversize in X, Z direction (I: diameter value)
SX, SZ Cutting limit (SX: diameter value)—(default: no cutting
limit)
A Approach angle (reference: Z-axis)—(default: parallel to Z
axis)
W Departure angle (reference: Z axis)—(default: orthogonal
to Z axis)
Q Type of retraction at end of cycle
0: Returns to starting point, first X, then Z direction
1: Positions in front of the finished contour
2: Retracts to safety clearance and stops
H Type of cut lines (cutting paths)
0: Constant machining depth
1: Equidistant cut lines
D Omit elements (see figure)
Further forms: see page 46
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